def test_patch_before_import(self):
patch()
import vertica_python
# use a patched method from each class as indicators
assert isinstance(vertica_python.Connection.cursor, wrapt.ObjectProxy)
assert isinstance(vertica_python.vertica.cursor.Cursor.execute, wrapt.ObjectProxy)
def test_configuration_routine(self):
"""Ensure that the integration routines can be configured."""
routine_config = dict(patch={
'vertica_python.vertica.connection.Connection':
dict(routines=dict(cursor=dict(
operation_name='get_cursor',
trace_enabled=True,
), ), ),
}, )
# Make a copy of the vertica config first before we merge our settings over
# DEV: First argument gets merged into the second
copy = _deepmerge(config.vertica, dict())
overrides = _deepmerge(routine_config, copy)
with self.override_config('vertica', overrides):
patch()
import vertica_python
test_tracer = get_dummy_tracer()
conn = vertica_python.connect(**VERTICA_CONFIG)
Pin.override(conn, service='mycustomservice', tracer=test_tracer)
conn.cursor() # should be traced now
conn.close()
spans = test_tracer.writer.pop()
assert len(spans) == 1
assert spans[0].name == 'get_cursor'
assert spans[0].service == 'mycustomservice'
def test_unpatch_after_import(self):
patch()
import vertica_python
unpatch()
assert not isinstance(vertica_python.Connection.cursor, wrapt.ObjectProxy)
assert not isinstance(vertica_python.vertica.cursor.Cursor.execute, wrapt.ObjectProxy)
def test_idempotent_patch(self):
patch()
patch()
import vertica_python
assert not isinstance(vertica_python.Connection.cursor.__wrapped__, wrapt.ObjectProxy)
assert not isinstance(vertica_python.vertica.cursor.Cursor.execute.__wrapped__, wrapt.ObjectProxy)
assert isinstance(vertica_python.Connection.cursor, wrapt.ObjectProxy)
assert isinstance(vertica_python.vertica.cursor.Cursor.execute, wrapt.ObjectProxy)
def test_configuration_service_name(self):
"""Ensure that the integration can be configured."""
with self.override_config('vertica', dict(service_name='test_svc_name')):
patch()
import vertica_python
test_tracer = get_dummy_tracer()
conn = vertica_python.connect(**VERTICA_CONFIG)
cur = conn.cursor()
Pin.override(cur, tracer=test_tracer)
with conn:
cur.execute("DROP TABLE IF EXISTS {}".format(TEST_TABLE))
spans = test_tracer.writer.pop()
assert len(spans) == 1
assert spans[0].service == "test_svc_name"
def test_conn(test_tracer):
ddtrace.tracer = test_tracer
patch()
import vertica_python # must happen AFTER installing with patch()
conn = vertica_python.connect(**VERTICA_CONFIG)
cur = conn.cursor()
cur.execute("DROP TABLE IF EXISTS {}".format(TEST_TABLE))
cur.execute("""CREATE TABLE {} (
a INT,
b VARCHAR(32)
)
""".format(TEST_TABLE))
test_tracer.writer.pop()
return conn, cur
def test_patch_after_import(self):
"""Patching _after_ the import will not work because we hook into
the module import system.
Vertica uses a local reference to `Cursor` which won't get patched
if we call `patch` after the module has already been imported.
"""
import vertica_python
assert not isinstance(vertica_python.vertica.connection.Connection.cursor, wrapt.ObjectProxy)
assert not isinstance(vertica_python.vertica.cursor.Cursor.execute, wrapt.ObjectProxy)
patch()
conn = vertica_python.connect(**VERTICA_CONFIG)
cursor = conn.cursor()
assert not isinstance(cursor, wrapt.ObjectProxy)